Mesothelioma and Work Exposure Mesothelioma is more common among those who work with asbestos. Firefighters, construction workers and military veterans are at a higher risk. The lung's lining (pleural mesothelioma) or the abdomen, is the main mesothelioma's primary site. In rare instances it can affect the heart or testicles. Check https://vimeo.com/704991570